||Conceptual design and preliminary design of filtration facilities for the Catskill and Delaware water supply systems : Phase 1, pilot testing protocols, February 15, 1995, filtration avoidance item #202a /
||New York (N.Y.). Bureau of Water Supply & Wastewater Collection.
||N.Y.C. Dept. of Environmental Protection, Bureau of Water Supply & Wastewater Collection,
Municipal water supply--New York (State)--New York ;
Water--Purification--Filtration--New York (State)--New York ;
Water treatment plants--Designs and plans--New York (State)
||Region 2 Library/New York,NY
||1 v. (various pagings) : ill. ; 28 cm.
Cover title. "February 14, 1995." "Prepared by Hazen and Sawyer/Camp Dresser & McKee."